Material examined. 48EV194, a few tiny stems up to 2 mm high, on S. glacialis (IK–2012–10437).

Remarks. Incipient stems with up to two hydrothecae. Species easily recognizable by the characteristic long and straight basal part of internodes ( Fig. 3F
View Figure
) and the size of the microbasic eurytele nematocysts (10 X 5 µm).

Ecology and distribution. Our material was collected at depths from 325 to 409 m, epibiotic on Symplectoscyphus glacialis. Watson’s (2008) material was found at a depth of 4–13 m, in Commonwealth Bay. Circum-Antarctic distribution ( Peña Cantero 2014c).